A major search was launched at the beauty spot following the discovery, with teams sweeping the area.

Police have released an image of Kilian Wolfgang Ruthlein

Police released the image from Mr Ruthlein’s photo ID and are encouraging anyone who may have seen him in the Kielder area recently to get in touch.

A statement from the force released on Saturday said: “Kilian is around 5ft 9ins tall and of medium build.

“Officers believe he may have been in the area in the days leading up to Friday and are appealing for anyone who has seen Kilian, or who has any information as to his whereabouts, to contact police as soon as possible on 101 ext 69191.”

Kielder Water in Northumberland, where police have been searching for a missing man